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Finding the Fourth Proportional to 689,875.04, 952,018.06 and 383,951.37

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Solution

The fourth proportional to 689,875.04, 952,018.06 and 383,951.37 is: 529,847.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,875.04 : 952,018.06 = 383,951.37 : x
  2. Step 2: Convert to fraction form
    689,875.04/952,018.06 = 383,951.37/x
  3. Step 3: Cross multiply
    689,875.04x = 952,018.06 × 383,951.37
  4. Step 4: Simplify right side
    689,875.04x = 365,528,633,699.19
  5. Step 5: Solve for x
    x = 365,528,633,699.19/689,875.04
  6. Step 6: Final answer
    x = 529,847.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.